Manpage of FPURGE

FPURGE

Section: Linux Programmer's Manual (3)
Updated: 2015-07-23
Index
 

NAME

fpurge, __fpurge - purge a stream  

SYNOPSIS

/* unsupported */
#include <stdio.h>int fpurge(FILE *stream);/* supported */
#include <stdio.h>
#include <stdio_ext.h>void __fpurge(FILE *stream);
 

DESCRIPTION

The function fpurge() clears the buffers of the given stream. For output streams this discards any unwritten output. For input streams this discards any input read from the underlying object but not yet obtained via getc(3); this includes any text pushed back via ungetc(3). See also fflush(3).

The function __fpurge() does precisely the same, but without returning a value.  

RETURN VALUE

Upon successful completion fpurge() returns 0. On error, it returns -1 and sets errnoappropriately.  

ERRORS

EBADF
streamis not an open stream.
 

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).
InterfaceAttributeValue
__fpurge() Thread safetyMT-Safe race:stream

 

CONFORMING TO

These functions are nonstandard and not portable. The function fpurge() was introduced in 4.4BSD and is not available under Linux. The function __fpurge() was introduced in Solaris, and is present in glibc 2.1.95 and later.  

NOTES

Usually it is a mistake to want to discard input buffers.  

SEE ALSO

fflush(3), setbuf(3), stdio_ext(3)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
ATTRIBUTES
CONFORMING TO
NOTES
SEE ALSO

This document was created by man2html, using the manual pages.
Time: 22:27:50 GMT, June 20, 2016 Click Here!